| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.286 | 21/7:06.006 |
| 2 | 3 | 23.379 | 20/7:16.650 |
| 3 | 2 | 20.731 | 20/7:09.307 |
| 4 | 2 | 20.080 | 20/7:02.380 |
| 5 | 4 | 25.242 | 20/7:18.872 |
| 6 | 4 | 19.903 | 20/7:12.070 |
| 7 | 4 | 23.765 | 20/7:18.246 |
| 8 | 4 | 20.361 | 20/7:14.368 |
| 9 | 3 | 20.825 | 20/7:12.382 |
| 10 | 4 | 22.970 | 20/7:15.084 |
| 11 | 4 | 24.935 | 20/7:20.867 |
| 12 | 4 | 19.976 | 20/7:17.422 |
| 13 | 4 | 19.639 | 20/7:13.988 |
| 14 | 4 | 23.684 | 20/7:16.823 |
| 15 | 4 | 23.519 | 20/7:19.060 |
| 16 | 4 | 20.670 | 20/7:17.456 |
| 17 | 4 | 21.718 | 20/7:17.274 |
| 18 | 4 | 20.478 | 20/7:15.734 |
| 19 | 4 | 20.146 | 20/7:14.007 |
| 20 | 4 | 19.923 | 20/7:12.230 |